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ololo11 [35]
3 years ago
7

(-6+7) - (-4x - 2) ?

Mathematics
2 answers:
Law Incorporation [45]3 years ago
6 0

the answer to your question is 7

aniked [119]3 years ago
3 0

Answer:

4x + 3

Step-by-step explanation:

(-6 + 7) - ( -4x - 2)

1 - ( -4x -2 )

distribute the negative sign to the parenthesis

( remember a negative plus a negative equals a positive )

1 + (4x + 2)

Answer: 4x + 3

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Fiona wrote the linear equation y = 2/5x -5
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2 years ago
In 5 minutes a conveyor belt moves 300 pounds of receyclable aluminum from the delievery truck a smaller belt moves the same qua
ladessa [460]

Answer:

It will take 3.214 minutes.

Step-by-step explanation:

<em>It is given that, the conveyor belt transports 300 cans in 5 mins and the smaller belt transports 300 cans in 9 minutes.</em>

Thus , the speed of conveyor belt is,

= \frac{300}{5} = 60 cans per minute

and of smaller belt is,

=  \frac{300}{9} = \frac{100}{3} cans per minute

Thus, when both are used together,

<em>conveyor belt will transport (60)(t) cans and smaller belt will transport ( \frac{100}{3})(t) cans per minute.</em>

Thus the equation becomes,

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3 0
2 years ago
Jesse has $3.40 in quarters and nickels. The number of nickels is 5 more than 2 times the number of quarters. How many quarters
dlinn [17]

Answer:

9 quarters

Step-by-step explanation:

From the question

Jesse has $3.40 in quarters and nickels

Quarters = q = number of quarters

1 quarter = $0.25

nickels = n = number of nickels

1 nickel = $0.05

Hence,

0.25q + 0.05n = $3.40 .......Equation 1

The number of nickels is 5 more than 2 times the number of quarters.

n = 2q + 5

0.25q + 0.05n = $3.40 .......Equation 1

0.25q + 0.05(2q + 5) = 3.40

0.25q + 0.10q + 0.25= 3.40

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0.35q = 3.15

q = 3.15/0.35

q = 9

Therefore, Jessie has 9 quarters.

3 0
3 years ago
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